/////////////////////////////////////////////////////////////////////////////
// Original code from libhdfs3. Copyright (c) 2013 - 2014, Pivotal Inc.
// All rights reserved. Author: Zhanwei Wang
/////////////////////////////////////////////////////////////////////////////
//  Modifications by Kumo Inc.
// Copyright (C) Kumo inc. and its affiliates.
// Author: Jeff.li lijippy@163.com
// All rights reserved.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published
// by the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.
//



#include <kmhdfs/rpc/rpc_auth.h>

#include <kmhdfs/common/exception.h>
#include <kmhdfs/common/exception_internal.h>

namespace Hdfs {
namespace Internal {

AuthMethod RpcAuth::ParseMethod(const std::string & str) {
    if (0 == strcasecmp(str.c_str(), "SIMPLE")) {
        return AuthMethod::SIMPLE;
    } else if (0 == strcasecmp(str.c_str(), "KERBEROS")) {
        return AuthMethod::KERBEROS;
    } else if (0 == strcasecmp(str.c_str(), "TOKEN")) {
        return AuthMethod::TOKEN;
    } else {
        THROW(InvalidParameter, "RpcAuth: Unknown auth mechanism type: %s",
              str.c_str());
    }
}

size_t RpcAuth::hash_value() const {
    size_t values[] = { Int32Hasher(method), user.hash_value() };
    return CombineHasher(values, sizeof(values) / sizeof(values[0]));
}

}
}
